That’s a category error. The blockchain is a document. The banking system is people. Do you trust people to always give you $60,000 in exchange for a Bitcoin

That’s a category error. The blockchain is a document. The banking system is people. Do you trust people to always give you $60,000 in exchange for a Bitcoin? Do you trust regulators not to tax Bitcoin or put onerous ‘anti-laundering’ conditions on its use?